Install an Energy Star programmable thermostat for $60 to turn down the heat when you sleep and raise it in the morning. (This makes climbing out of bed easier too.)
Be sure to change the air filter in your heating and cooling system at least every three months.
The numbers just keep getting scarier. Sun Microsystems is laying off up to 6,000. For Pepsi Bottling it's 3,150. And that Citigroup figure still sends chills down your spine. So how do you hold on to your job when it seems like no one is safe? More